Updated
Sombrero
Public beach · Marathon, Florida
Not today — an official hazard warning is active
Avoid todayNot today — an official hazard warning is active: a Coastal Flood Warning is in effect for Monroe Upper Keys; Monroe Middle Keys; Monroe Lower Keys.
- Water temp 79°F (26°C)
Live data from NOAA buoy VCAF1 (1.9 mi away), as of Oct 29, 11:18 AM UTC.
Why, sources & official advisories
- A Coastal Flood Warning is in effect for Monroe Upper Keys; Monroe Middle Keys; Monroe Lower Keys. — NWS Key West FL
- Water temperature is 79°F, within the comfortable 70–86°F range. — NOAA buoy VCAF1, as of Oct 29, 11:18 AM UTC
No official beach-advisory feed for Florida yet — follow posted signs and local guidance.
Get an email when it’s warm enough
It’s 79°F at Sombrero now. We check the water daily and email you once when it reaches your temperature.
What’s swimming here?
Fish recorded within 2 km: Grey Snapper, Red Lionfish, Scrawled Cowfish and 8 more species.
11 fish species in 13 public records within 2 km of Sombrero since 2000.
- Grey Snapper Lutjanus griseus2 records · 2026
- Red Lionfish Pterois volitans2 records · 2012
- Scrawled Cowfish Acanthostracion quadricornis1 record · 2026
- Redear Herring Harengula humeralis1 record · 2026
- Mangrove Gambusia Gambusia rhizophorae1 record · 2025
- Leopard Searobin Prionotus scitulus1 record · 2022
- Pinfish Lagodon rhomboides1 record · 2021
- Doctorfish Acanthurus chirurgus1 record · 2016
Show all 11 species
- Yellow Jack Caranx bartholomaei1 record · 2016
- Mutton Snapper Lutjanus analis1 record · 2016
- Molly Miller Scartella cristata1 record · 2016
Data: GBIF.org occurrence records, CC0 and CC BY only (iNaturalist research-grade observations, GBIF dataset). Common names: GBIF.org (The IUCN Red List of Threatened Species, Checklist Dutch Caribbean Species Register). Non-native flags: USGS NAS. These are sightings and specimens people reported, not a survey: a fish missing from the list may still live here.
Things to Do Near Sombrero
Top-rated tours and experiences around Marathon, powered by Viator — free cancellation on most.
Marathon Key: 3-hour Snorkeling adventure on a Pontoon at Sombrero Reef
Island Sunset Cruise 2 Hour Catamaran Tour in Marathon Florida
Reef Snorkel Adventure at Sombrero Key Light Reef
Marathon FL Sandbar Cruise & Sightseeing Adventure
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Frequently asked questions
- Where is Sombrero?
- Sombrero is a public beach in Marathon, Florida.
- What is the water temperature at Sombrero?
- As of October 29, 2026, the water temperature at Sombrero in Marathon, Florida is 79°F (26°C), measured by NOAA buoy VCAF1, 1.9 miles away.
- Can you swim at Sombrero?
- Not today — an official hazard warning is active: a Coastal Flood Warning is in effect for Monroe Upper Keys; Monroe Middle Keys; Monroe Lower Keys. Checked October 29, 2026.
- How is Sombrero rated?
- Sombrero in Marathon, Florida has an average visitor rating of 4.6 out of 5, based on 81 reviews.
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Location & Contact
2150 Sombrero Beach Rd, Marathon, FL 33050
Marathon, Florida 33050
🏖️ Best times & visiting tips
- ›Arrive early for best parking and beach spot selection
- ›Check for lifeguard schedules and swim only in designated areas
- ›Bring reef-safe sunscreen to protect marine life
- ›Watch for beach flags indicating water conditions
Features & amenities
Accessibility
Amenities
Family & Children
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